/*
***************************************************************************************
* Copyright (C) 2006 EsperTech, Inc. All rights reserved. *
* http://www.espertech.com/esper *
* http://www.espertech.com *
* ---------------------------------------------------------------------------------- *
* The software in this package is published under the terms of the GPL license *
* a copy of which has been included with this distribution in the license.txt file. *
***************************************************************************************
*/
package com.espertech.esper.epl.property;
import com.espertech.esper.client.EventBean;
import com.espertech.esper.epl.expression.core.ExprEvaluator;
import com.espertech.esper.epl.expression.core.ExprEvaluatorContext;
import com.espertech.esper.event.EventBeanManufacturer;
import java.lang.reflect.Array;
public class ContainedEventEvalArrayToEvent implements ContainedEventEval {
private final ExprEvaluator evaluator;
private final EventBeanManufacturer manufacturer;
public ContainedEventEvalArrayToEvent(ExprEvaluator evaluator, EventBeanManufacturer manufacturer) {
this.evaluator = evaluator;
this.manufacturer = manufacturer;
}
public Object getFragment(EventBean eventBean, EventBean[] eventsPerStream, ExprEvaluatorContext exprEvaluatorContext) {
Object result = evaluator.evaluate(eventsPerStream, true, exprEvaluatorContext);
if (result == null) {
return null;
}
EventBean[] events = new EventBean[Array.getLength(result)];
for (int i = 0; i < events.length; i++) {
Object column = Array.get(result, i);
if (column != null) {
events[i] = manufacturer.make(new Object[]{column});
}
}
return events;
}
}